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DIRECTIONS: In each of the following paragraph, a part of sentence is left unfinished. Beneath each sentence, four different ways of completing the sentence are indicated choose the best alterative among the four. A fax machine works by scanning each outgoing page, turning the image into a series of light and dark dots. This pattern is then translated into audio tones, and sent over regular phone lines. The receiving fax "hears" the tones, pieces the grid together, and prints the total number of dots_____________.

A) He invented a machine capable of receiving signals from a telegraph wire

B) They were an easy way to send documents to any phone number

C) The resulting document is a black and white copy of the original page

D) Then he finally managed to translate these symbols into images on paper